Diagnosis Procedure
- CHECK FUSE
Check that the following fuse are not blown.
Signal name Fuse No. Battery power supply 55 Is the fuse blown (open)?
YES
Replace the blown fuse after repairing the affected circuit if a fuse is blown.
NO
GO TO STEP 2.
- CHECK POWER SUPPLY CIRCUIT
- Turn the ignition switch OFF.
- Check voltage between CAN gateway harness connector and ground.
Terminals Condition Voltage
(Standard)Voltage
(Reference value)(+) (-) CAN gateway Ground Ignition switch Connector Terminal M218 18 OFF 9 - 16 V Battery
voltage
Is the measurement value normal?
YES
GO TO STEP 3.
NO
Repair harness or connector.
- CHECK GROUND CIRCUIT
- Turn the ignition switch OFF.
- Disconnect the connector of CAN gateway.
- Check continuity between CAN gateway harness connector and ground.
CAN gateway Ground Continuity Connector Terminal M218 13 Existed
Does continuity exist?
YES
INSPECTION END
NO
Repair harness or connector.